噪声测试系统精度有源-无源联合测量评估方法
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顾易帆,王立平,丁旭,王志宇,莫炯炯,郁发新
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Active-passive joint measurement and evaluation method for precision of noise test system
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Yi-fan GU,Li-ping WANG,Xu DING,Zhi-yu WANG,Jiong-jiong MO,Fa-xin YU
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表 2 数据采集系统所用仪器与测试条件 |
Tab.2 Instruments and test conditions used in data acquisition system |
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条件 | 说明 | 环境温度 | 295 K | 湿度 | 46% | 洁净度 | Class 1000 | 电磁屏蔽环境 | DC-40 GHz | 测试仪器 | Keysight® NFA N8976B(10 MHz~40 GHz NFA) | Keysight® PNAX N5244A with Opt.029 (10 MHz~43.5 GHz VNA) | 测试附件 | Gore® OKO(DC-40 GHz射频缆线) | Maury® CAL KIT 8770E(2.92 mm同轴校准件) | Keysight® U2022XA(50 MHz~40 GHz功率计) | Keysight® 346CK01(1~50 GHz噪声源) | Keysight® 11904B(2.4 mm/2.92 mm转接头) | 被测件 | Keysight® U7227F(2~50 GHz LNA) | Weinschel® 54A-6(衰减器) |
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